<dependency>
	<groupId>org.dbunit</groupId>
	<artifactId>dbunit</artifactId>
	<version>2.4.9</version>
	<scope>test</scope>
</dependency>
<dependency>
	<groupId>org.slf4j</groupId>
	<artifactId>slf4j-api</artifactId>
	<version>1.7.5</version>
	<scope>compile</scope>
</dependency>

<?xml version="1.0" encoding="UTF-8"?>
<dataset>

	<!-- 注意,此处的user代表表名(database table name) -->
	<user id="1" username="123" password="456"/>
	<user id="2" username="123" password="456"/>
	<user id="3" username="123" password="456"/>
	<user id="4" username="123" password="456"/>
	<user id="5" username="123" password="456"/>
</dataset>

package com.accentrix.ray;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStream;

import javax.sql.DataSource;

import org.dbunit.database.DatabaseDataSourceConnection;
import org.dbunit.database.IDatabaseConnection;
import org.dbunit.database.QueryDataSet;
import org.dbunit.dataset.DataSetException;
import org.dbunit.dataset.IDataSet;
import org.dbunit.dataset.xml.FlatXmlDataSet;
import org.dbunit.dataset.xml.FlatXmlProducer;
import org.dbunit.operation.DatabaseOperation;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.xml.sax.InputSource;

public class BaseTest {
	public static IDatabaseConnection connection;
	public static DataSource dataSource;
	private File temp;

	@BeforeClass
	public static void init() throws Exception {

		// 通过DataSource获取DataBaseSourceConnection
		connection = new DatabaseDataSourceConnection(dataSource);
	}

	@AfterClass
	public static void destroy() throws Exception {
		if (connection != null) {
			connection.close();
		}
	}

	protected IDataSet getDataSet(String name) throws DataSetException {
		// 通过类加载器获取default-data.xml文件的内容
		InputStream is = this.getClass().getClassLoader()
				.getResourceAsStream(name + ".xml");

		// IDataSet就类似是一个数据的容器,把default-data.xml内容
		// 转换成了DBUnit可识别的数据返回出去
		return new FlatXmlDataSet(new FlatXmlProducer(new InputSource(is)));
	}

	protected void backupAll() throws Exception {
		// createDataSet代表从数据库中获取到DataSet,此时DataSet为数据库的内容
		IDataSet ds = connection.createDataSet();

		// 创建临时文件
		temp = File.createTempFile("temp", "xml");

		// 将数据库内容的DataSet写入临时文件当中
		F